From b62aee5844e296c0f5affec2688e756462a783d5 Mon Sep 17 00:00:00 2001
From: safa <aballaghsafa@gmail.com>
Date: Tue, 26 Dec 2023 21:51:22 +0100
Subject: [PATCH 1/2] Make the gem multijob

Storing failures and axceptions of each job in YAML files
Generating the finale log file using a rake task
---
 .github/PULL_REQUEST_TEMPLATE.md              |  5 ++
 .github/workflows/ci.yml                      | 63 +++++++++++++++++++
 .gitignore                                    |  5 ++
 Gemfile                                       |  1 +
 Gemfile.lock                                  |  5 ++
 Rakefile                                      | 10 ++-
 lib/failing_spec_detector.rb                  |  2 +-
 lib/failing_spec_detector/combiner.rb         | 29 +++++++++
 .../failing_spec_formatter.rb                 | 23 +++----
 lib/failing_spec_detector/failure.rb          | 13 ++++
 lib/failing_spec_detector/version.rb          |  2 +-
 .../failing_spec_detector/combine_log.rake    | 25 ++++++++
 .../failing_spec_formatter_spec.rb            | 17 +++--
 spec/support/expected_exceptions_log_.yml     |  3 +
 spec/support/expected_failures_log_.yml       | 10 +++
 spec/support/expected_file.txt                | 15 -----
 16 files changed, 189 insertions(+), 39 deletions(-)
 create mode 100644 .github/PULL_REQUEST_TEMPLATE.md
 create mode 100644 .github/workflows/ci.yml
 create mode 100644 lib/failing_spec_detector/combiner.rb
 create mode 100644 lib/failing_spec_detector/failure.rb
 create mode 100644 lib/tasks/failing_spec_detector/combine_log.rake
 create mode 100644 spec/support/expected_exceptions_log_.yml
 create mode 100644 spec/support/expected_failures_log_.yml
 delete mode 100644 spec/support/expected_file.txt

diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..bfa841b
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,5 @@
+**Description**
+
+Replace this text with a description of the changes in this PR.
+
+-----------------
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..5472bfb
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,63 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+
+  pull_request:
+
+jobs:
+  test:
+    name: Test failing spec detector
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7.2
+          bundler-cache: true
+      - name: Lint  files
+        run: bundle exec rake rubocop
+      - name: Run tests
+        run: bundle exec rake spec
+      - name: Upload Failures
+        uses: actions/upload-artifact@v3
+        with:
+          name: Failures
+          path: failures_log_*.yml
+      - name: Upload Exceptions
+        uses: actions/upload-artifact@v3
+        with:
+          name: Exceptions
+          path: exceptions_log_*.yml
+
+  print_log:
+    name: Test combine log task
+    needs: test
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7.2
+          bundler-cache: true
+      - name: Download Failures
+        uses: actions/download-artifact@v3
+        with:
+          name: Failures
+      - name: Download Exceptions
+        uses: actions/download-artifact@v3
+        with:
+          name: Exceptions
+      - name: Run combine_log task
+        run: bundle exec rake failing_specs_detector:combine_log
+      - name: Upload log file
+        uses: actions/upload-artifact@v3
+        with:
+          name: failing_specs_log
+          path: "failing_specs_detector_log.txt"
diff --git a/.gitignore b/.gitignore
index b04a8c8..c7f5bff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,8 @@
 
 # rspec failure tracking
 .rspec_status
+
+# log files
+exceptions_log_*.yml
+failures_log_*.yml
+failing_specs_detector_log.txt
diff --git a/Gemfile b/Gemfile
index a9ce097..1f49266 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,5 +5,6 @@ source "https://rubygems.org"
 gemspec
 
 gem 'pry'
+gem 'psych', '~> 4.0.6'
 gem 'rspec', '~>3.12'
 gem 'rubocop'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5e07ec2..e9f02b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,6 +19,8 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
+    psych (4.0.6)
+      stringio
     racc (1.7.3)
     rainbow (3.1.1)
     rake (10.5.0)
@@ -51,15 +53,18 @@ GEM
     rubocop-ast (1.30.0)
       parser (>= 3.2.1.0)
     ruby-progressbar (1.13.0)
+    stringio (3.1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS
   arm64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   bundler
   failing_spec_detector!
   pry
+  psych (~> 4.0.6)
   rake (~> 10.0)
   rspec (~> 3.12)
   rubocop
diff --git a/Rakefile b/Rakefile
index b7e9ed5..3c5b792 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,14 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
+require 'rubocop/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :spec
+import './lib/tasks/failing_spec_detector/combine_log.rake'
+
+task default: %i[
+  spec
+  rubocop
+]
+
+RuboCop::RakeTask.new
diff --git a/lib/failing_spec_detector.rb b/lib/failing_spec_detector.rb
index 62b5e97..29567c3 100644
--- a/lib/failing_spec_detector.rb
+++ b/lib/failing_spec_detector.rb
@@ -1,4 +1,4 @@
-require "failing_spec_detector/version"
+require 'failing_spec_detector/version'
 
 module FailingSpecDetector
   class Error < StandardError; end
diff --git a/lib/failing_spec_detector/combiner.rb b/lib/failing_spec_detector/combiner.rb
new file mode 100644
index 0000000..ecbbe0f
--- /dev/null
+++ b/lib/failing_spec_detector/combiner.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module FailingSpecDetector
+  # Combiner class to combine and group the failures by exception
+  class Combiner
+    def initialize(exceptions, failures)
+      @exceptions = exceptions
+      @failures = failures
+      @filename = 'failing_specs_detector_log.txt'
+    end
+
+    def combine
+      File.write(@filename, "Failing spec detector:\n\n\n")
+      return if @exceptions.empty?
+
+      @exceptions.uniq.each do |exception|
+        File.write(@filename, "#{exception}:\n\n", mode: 'a')
+        related_examples = @failures.select { |failure| failure.exception == exception }
+        next if related_examples.empty?
+
+        related_examples.each do |failure|
+          File.write(@filename, "#{failure.backtrace}:\n", mode: 'a')
+        end
+        File.write(@filename, "\n\n\n", mode: 'a')
+      end
+      File.write(@filename, '----------------------------------------------------------------', mode: 'a')
+    end
+  end
+end
diff --git a/lib/failing_spec_detector/failing_spec_formatter.rb b/lib/failing_spec_detector/failing_spec_formatter.rb
index 7504069..7a1c405 100644
--- a/lib/failing_spec_detector/failing_spec_formatter.rb
+++ b/lib/failing_spec_detector/failing_spec_formatter.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 require 'rspec/core/formatters/base_text_formatter'
+require_relative 'failure'
+require 'yaml'
 
 module FailingSpecDetector
   class FailingSpecFormatter < RSpec::Core::Formatters::BaseTextFormatter
@@ -10,7 +12,8 @@ def initialize(output)
       super(output)
       @failures = []
       @exceptions = []
-      @filename = 'log.txt'
+      @failures_filename = "failures_log_#{ENV.fetch('TEST_ENV_NUMBER', nil)}.yml"
+      @exceptions_filename = "exceptions_log_#{ENV.fetch('TEST_ENV_NUMBER', nil)}.yml"
     end
 
     def example_failed(failure)
@@ -18,24 +21,14 @@ def example_failed(failure)
 
       @exceptions << exception unless @exceptions.include?(exception)
 
+      failure = Failure.new(exception, failure.formatted_backtrace.join("\n"))
+
       @failures << failure
     end
 
     def stop(_notification)
-      File.open(@filename, 'w') { |f| f.write "Failing spec detector:\n" }
-      return if @exceptions.empty?
-
-      @exceptions.each do |exception|
-        File.write(@filename, "#{exception}:\n\n", mode: 'a')
-        related_examples = @failures.select { |failure| failure.exception.to_s.gsub(/\e\[(\d+)m/, '') == exception }
-        next if related_examples.empty?
-
-        related_examples.each do |failure|
-          File.write(@filename, "#{failure.formatted_backtrace.join("\n")}:\n", mode: 'a')
-        end
-        File.write(@filename, "\n\n\n", mode: 'a')
-      end
-      File.write(@filename, '----------------------------------------------------------------', mode: 'a')
+      File.write(@exceptions_filename, YAML.dump(@exceptions), mode: 'w')
+      File.write(@failures_filename, YAML.dump(@failures), mode: 'w')
     end
   end
 end
diff --git a/lib/failing_spec_detector/failure.rb b/lib/failing_spec_detector/failure.rb
new file mode 100644
index 0000000..ed21b30
--- /dev/null
+++ b/lib/failing_spec_detector/failure.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module FailingSpecDetector
+  # a simplified Failure class allow us to store only the needed information
+  class Failure
+    attr_accessor :exception, :backtrace
+
+    def initialize(exception, backtrace)
+      @exception = exception
+      @backtrace = backtrace
+    end
+  end
+end
diff --git a/lib/failing_spec_detector/version.rb b/lib/failing_spec_detector/version.rb
index ca5862b..7f95b97 100644
--- a/lib/failing_spec_detector/version.rb
+++ b/lib/failing_spec_detector/version.rb
@@ -1,3 +1,3 @@
 module FailingSpecDetector
-  VERSION = "0.1.0"
+  VERSION = '0.1.0'
 end
diff --git a/lib/tasks/failing_spec_detector/combine_log.rake b/lib/tasks/failing_spec_detector/combine_log.rake
new file mode 100644
index 0000000..31cc7e0
--- /dev/null
+++ b/lib/tasks/failing_spec_detector/combine_log.rake
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require 'yaml'
+require_relative '../../failing_spec_detector/failure'
+require_relative '../../failing_spec_detector/combiner'
+
+namespace :failing_specs_detector do
+  desc 'Print all logs in console'
+  task :combine_log do
+    failures = []
+    exceptions = []
+    failures_file_paths = Dir['failures_log_*.yml']
+    exceptions_file_paths = Dir['exceptions_log_*.yml']
+    failures_file_paths.each do |file_path|
+      failures.concat(YAML.load_file(file_path, permitted_classes: [FailingSpecDetector::Failure]))
+      File.delete(file_path)
+    end
+    exceptions_file_paths.each do |file_path|
+      exceptions.concat(YAML.load_file(file_path))
+      File.delete(file_path)
+    end
+
+    FailingSpecDetector::Combiner.new(exceptions, failures).combine
+  end
+end
diff --git a/spec/failing_spec_detector/failing_spec_formatter_spec.rb b/spec/failing_spec_detector/failing_spec_formatter_spec.rb
index e7966da..a2f2bdf 100644
--- a/spec/failing_spec_detector/failing_spec_formatter_spec.rb
+++ b/spec/failing_spec_detector/failing_spec_formatter_spec.rb
@@ -5,10 +5,14 @@
 RSpec.describe FailingSpecDetector::FailingSpecFormatter do
   let(:formatter) { described_class.new(output) }
   let(:output) { Tempfile.new('./output_to_close') }
-  let(:expected_file_path) { './spec/support/expected_file.txt' }
-  let(:actual_file_path) { './log.txt' }
-  let(:expected_file) { File.new(expected_file_path, 'r') }
-  let(:actual_file) { File.new(actual_file_path, 'r') }
+  let(:expected_failures_file_path) { './spec/support/expected_failures_log_.yml' }
+  let(:expected_exceptions_file_path) { './spec/support/expected_exceptions_log_.yml' }
+  let(:actual_failures_file_path) { './failures_log_.yml' }
+  let(:actual_exceptions_file_path) { './exceptions_log_.yml' }
+  let(:expected_failures_file) { File.new(expected_failures_file_path, 'r') }
+  let(:expected_exceptions_file) { File.new(expected_exceptions_file_path, 'r') }
+  let(:actual_failures_file) { File.new(actual_failures_file_path, 'r') }
+  let(:actual_exceptions_file) { File.new(actual_exceptions_file_path, 'r') }
 
   let(:examples) { [failed_notification1, failed_notification2, failed_notification3] }
   let(:expected_exceptions) { [failed_notification1.exception.to_s, failed_notification3.exception.to_s] }
@@ -54,9 +58,10 @@
     example
   end
 
-  it 'prints the failing specs backtraces grouped by exception' do
+  it 'stores the failing specs failures and exceptions in yml files' do
     mock_run_specs
-    expect(FileUtils.compare_file(actual_file, expected_file)).to be_truthy
+    expect(FileUtils.compare_file(actual_failures_file, expected_failures_file)).to be_truthy
+    expect(FileUtils.compare_file(actual_exceptions_file, expected_exceptions_file)).to be_truthy
   end
 
   def mock_run_specs
diff --git a/spec/support/expected_exceptions_log_.yml b/spec/support/expected_exceptions_log_.yml
new file mode 100644
index 0000000..e63ee86
--- /dev/null
+++ b/spec/support/expected_exceptions_log_.yml
@@ -0,0 +1,3 @@
+---
+- Test Error 1
+- Test Error 2
diff --git a/spec/support/expected_failures_log_.yml b/spec/support/expected_failures_log_.yml
new file mode 100644
index 0000000..ee9e536
--- /dev/null
+++ b/spec/support/expected_failures_log_.yml
@@ -0,0 +1,10 @@
+---
+- !ruby/object:FailingSpecDetector::Failure
+  exception: Test Error 1
+  backtrace: "/spec/one_spec.rb:11:in `some_method'"
+- !ruby/object:FailingSpecDetector::Failure
+  exception: Test Error 1
+  backtrace: "/spec/two_spec.rb:20:in `some_method'"
+- !ruby/object:FailingSpecDetector::Failure
+  exception: Test Error 2
+  backtrace: "/spec/three_spec.rb:4:in `some_method'"
diff --git a/spec/support/expected_file.txt b/spec/support/expected_file.txt
deleted file mode 100644
index 379edf2..0000000
--- a/spec/support/expected_file.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-Failing spec detector:
-Test Error 1:
-
-/spec/one_spec.rb:11:in `some_method':
-/spec/two_spec.rb:20:in `some_method':
-
-
-
-Test Error 2:
-
-/spec/three_spec.rb:4:in `some_method':
-
-
-
-----------------------------------------------------------------
\ No newline at end of file

From 271d93105295253f1d4d74922f03e61a85ea9b4e Mon Sep 17 00:00:00 2001
From: safa <aballaghsafa@gmail.com>
Date: Wed, 27 Dec 2023 15:44:58 +0100
Subject: [PATCH 2/2] Fix Lint errors

---
 .rubocop.yml                                  | 27 +++++++++
 .rubocop_todo.yml                             | 56 +++++++++++++++++++
 Gemfile                                       |  3 +-
 Rakefile                                      |  4 +-
 bin/console                                   |  6 +-
 failing_spec_detector.gemspec                 | 37 ++++++------
 .../failing_spec_formatter_spec.rb            | 12 ++--
 spec/failing_spec_detector_spec.rb            |  2 +-
 spec/spec_helper.rb                           |  6 +-
 9 files changed, 118 insertions(+), 35 deletions(-)
 create mode 100644 .rubocop.yml
 create mode 100644 .rubocop_todo.yml

diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..b2fbef9
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,27 @@
+inherit_from: .rubocop_todo.yml
+
+AllCops:
+  NewCops: enable
+  SuggestExtensions: false
+
+Naming/FileName:
+ Exclude:
+   - lib/rubocop-solidus.rb
+
+Metrics/BlockLength:
+  Exclude:
+    - 'Rakefile'
+    - '**/*.rake'
+    - 'spec/**/*.rb'
+    - '*.gemspec'
+
+Metrics/MethodLength:
+  Exclude:
+    - 'Rakefile'
+    - '**/*.rake'
+    - 'spec/**/*.rb'
+    - '*.gemspec'
+
+Metrics/ClassLength:
+  Exclude:
+    - 'tasks/**/*.rb'
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
new file mode 100644
index 0000000..968cd94
--- /dev/null
+++ b/.rubocop_todo.yml
@@ -0,0 +1,56 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2023-12-27 14:39:52 UTC using RuboCop version 1.57.2.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 3
+# Configuration parameters: EnforcedStyle, AllowedGems, Include.
+# SupportedStyles: Gemfile, gems.rb, gemspec
+# Include: **/*.gemspec, **/Gemfile, **/gems.rb
+Gemspec/DevelopmentDependencies:
+  Exclude:
+    - 'failing_spec_detector.gemspec'
+
+# Offense count: 1
+# Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
+Metrics/AbcSize:
+  Max: 19
+
+# Offense count: 1
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
+Metrics/MethodLength:
+  Max: 12
+
+# Offense count: 1
+# Configuration parameters: AllowedConstants.
+Style/Documentation:
+  Exclude:
+    - 'spec/**/*'
+    - 'test/**/*'
+    - 'lib/failing_spec_detector/failing_spec_formatter.rb'
+
+# Offense count: 8
+# This cop supports unsafe autocorrection (--autocorrect-all).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: always, always_true, never
+Style/FrozenStringLiteralComment:
+  Exclude:
+    - 'Gemfile'
+    - 'Rakefile'
+    - 'bin/console'
+    - 'failing_spec_detector.gemspec'
+    - 'lib/failing_spec_detector.rb'
+    - 'lib/failing_spec_detector/version.rb'
+    - 'spec/failing_spec_detector_spec.rb'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 1
+# This cop supports unsafe autocorrection (--autocorrect-all).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: literals, strict
+Style/MutableConstant:
+  Exclude:
+    - 'lib/failing_spec_detector/version.rb'
diff --git a/Gemfile b/Gemfile
index 1f49266..59f5be4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,4 @@
-source "https://rubygems.org"
-
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in failing_spec_detector.gemspec
 gemspec
diff --git a/Rakefile b/Rakefile
index 3c5b792..26cc08d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,5 +1,5 @@
-require "bundler/gem_tasks"
-require "rspec/core/rake_task"
+require 'bundler/gem_tasks'
+require 'rspec/core/rake_task'
 require 'rubocop/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
diff --git a/bin/console b/bin/console
index c7fac3d..c9787af 100755
--- a/bin/console
+++ b/bin/console
@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby
 
-require "bundler/setup"
-require "failing_spec_detector"
+require 'bundler/setup'
+require 'failing_spec_detector'
 
 # You can add fixtures and/or initialization code here to make experimenting
 # with your gem easier. You can also use a different console, if you like.
@@ -10,5 +10,5 @@ require "failing_spec_detector"
 # require "pry"
 # Pry.start
 
-require "irb"
+require 'irb'
 IRB.start(__FILE__)
diff --git a/failing_spec_detector.gemspec b/failing_spec_detector.gemspec
index d31f9fb..7eb4f9d 100644
--- a/failing_spec_detector.gemspec
+++ b/failing_spec_detector.gemspec
@@ -1,44 +1,45 @@
-
-lib = File.expand_path("../lib", __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require "failing_spec_detector/version"
+require 'failing_spec_detector/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = "failing_spec_detector"
+  spec.name          = 'failing_spec_detector'
   spec.version       = FailingSpecDetector::VERSION
-  spec.authors       = ["safa"]
-  spec.email         = ["aballaghsafa@gmail.com"]
+  spec.authors       = ['safa']
+  spec.email         = ['aballaghsafa@gmail.com']
 
   spec.summary       = 'A tool to detect failing specs and group them by error message'
   spec.description   = <<~DESCRIPTION
     Automatic Failing spec detector.
     Introduces a custom rspec formatter to detect failing specs and group them by exception.
   DESCRIPTION
-  spec.homepage      = "https://github.com/nebulab/failing_spec_detector"
-  spec.license       = "MIT"
+  spec.homepage      = 'https://github.com/nebulab/failing_spec_detector'
+  spec.license       = 'MIT'
+  spec.required_ruby_version = '>= 2.7.0'
 
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
   if spec.respond_to?(:metadata)
 
-    spec.metadata["homepage_uri"] = spec.homepage
-    spec.metadata["source_code_uri"] = "https://github.com/nebulab/failing_spec_detector"
+    spec.metadata['homepage_uri'] = spec.homepage
+    spec.metadata['source_code_uri'] = 'https://github.com/nebulab/failing_spec_detector'
     # spec.metadata["changelog_uri"] = "https://github.com/nebulab/failing_spec_detector"
   else
-    raise "RubyGems 2.0 or newer is required to protect against " \
-      "public gem pushes."
+    raise 'RubyGems 2.0 or newer is required to protect against ' \
+          'public gem pushes.'
   end
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
-  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+  spec.files = Dir.chdir(File.expand_path(__dir__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   end
-  spec.bindir        = "exe"
+  spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
-  spec.require_paths = ["lib"]
+  spec.require_paths = ['lib']
 
-  spec.add_development_dependency "bundler"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency 'bundler'
+  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rspec', '~> 3.0'
+  spec.metadata['rubygems_mfa_required'] = 'true'
 end
diff --git a/spec/failing_spec_detector/failing_spec_formatter_spec.rb b/spec/failing_spec_detector/failing_spec_formatter_spec.rb
index a2f2bdf..566bae8 100644
--- a/spec/failing_spec_detector/failing_spec_formatter_spec.rb
+++ b/spec/failing_spec_detector/failing_spec_formatter_spec.rb
@@ -16,11 +16,11 @@
 
   let(:examples) { [failed_notification1, failed_notification2, failed_notification3] }
   let(:expected_exceptions) { [failed_notification1.exception.to_s, failed_notification3.exception.to_s] }
-  let(:failed_notification1)  { ::RSpec::Core::Notifications::ExampleNotification.for(failed_example1) }
-  let(:failed_notification2)  { ::RSpec::Core::Notifications::ExampleNotification.for(failed_example2) }
-  let(:failed_notification3)  { ::RSpec::Core::Notifications::ExampleNotification.for(failed_example3) }
+  let(:failed_notification1)  { RSpec::Core::Notifications::ExampleNotification.for(failed_example1) }
+  let(:failed_notification2)  { RSpec::Core::Notifications::ExampleNotification.for(failed_example2) }
+  let(:failed_notification3)  { RSpec::Core::Notifications::ExampleNotification.for(failed_example3) }
   let(:failed_example1) do
-    exception = ::RuntimeError.new('Test Error 1')
+    exception = RuntimeError.new('Test Error 1')
     exception.set_backtrace ["/spec/one_spec.rb:11:in `some_method'"]
 
     example = self.class.example
@@ -33,7 +33,7 @@
   end
 
   let(:failed_example2) do
-    exception = ::RuntimeError.new('Test Error 1')
+    exception = RuntimeError.new('Test Error 1')
     exception.set_backtrace ["/spec/two_spec.rb:20:in `some_method'"]
 
     example = self.class.example
@@ -46,7 +46,7 @@
   end
 
   let(:failed_example3) do
-    exception = ::RuntimeError.new('Test Error 2')
+    exception = RuntimeError.new('Test Error 2')
     exception.set_backtrace ["/spec/three_spec.rb:4:in `some_method'"]
 
     example = self.class.example
diff --git a/spec/failing_spec_detector_spec.rb b/spec/failing_spec_detector_spec.rb
index 3a374c7..9b91d4a 100644
--- a/spec/failing_spec_detector_spec.rb
+++ b/spec/failing_spec_detector_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe FailingSpecDetector do
-  it "has a version number" do
+  it 'has a version number' do
     expect(FailingSpecDetector::VERSION).not_to be nil
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 5327447..fc86103 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,11 +1,11 @@
-require "bundler/setup"
-require "failing_spec_detector/failing_spec_formatter"
+require 'bundler/setup'
+require 'failing_spec_detector/failing_spec_formatter'
 require 'fileutils'
 require 'tempfile'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
-  config.example_status_persistence_file_path = ".rspec_status"
+  config.example_status_persistence_file_path = '.rspec_status'
 
   # Disable RSpec exposing methods globally on `Module` and `main`
   config.disable_monkey_patching!